How could Jacob bless Pharaoh that the Nile would rise for him if that might assist wrongdoing?

A source-based Torah discussion of the question: How could Jacob bless Pharaoh that the Nile would rise for him if that might assist wrongdoing? This localized discovery layer presents the author’s canonical question for search and study without adding a new practical ruling. The Hebrew source remains controlling for its reasoning, qualifications and conclusion.